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Finding the Fourth Proportional to 187,296.48, 280,813.41 and 68,952.42

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Solution

The fourth proportional to 187,296.48, 280,813.41 and 68,952.42 is: 103,380.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,296.48 : 280,813.41 = 68,952.42 : x
  2. Step 2: Convert to fraction form
    187,296.48/280,813.41 = 68,952.42/x
  3. Step 3: Cross multiply
    187,296.48x = 280,813.41 × 68,952.42
  4. Step 4: Simplify right side
    187,296.48x = 19,362,764,187.95
  5. Step 5: Solve for x
    x = 19,362,764,187.95/187,296.48
  6. Step 6: Final answer
    x = 103,380.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.